Portion of a shoe upper



FIG. 1 is a first perspective view of a portion of a shoe upper showing my new design as viewed from a first side thereof;

FIG. 2 is a second perspective view thereof as viewed from the first side;

FIG. 3 is a first side view thereof as viewed from the first side;

FIG. 4 is a third perspective view thereof as viewed from a second side of the portion of a shoe upper showing my new design;

FIG. 5 is a fourth perspective view thereof as viewed from the second side;

FIG. 6 is a second side view thereof as viewed from the second side;

FIG. 7 is a front view thereof; and,

FIG. 8 is a top view thereof.

The uneven broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The uneven broken line showing of the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 